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What is the most effective catalyst and reaction conditions to optimize the yield and purity of polyvinyl alcohol synthesized from vinyl acetate monomer?

asked Feb 21 in Chemical synthesis by SelenaRonan (2.2k points)

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Identify the type of isomerism present in the molecule C3H6O and draw all possible isomers.

asked Feb 21 in Chemical bonding by ScottyWild8 (1.4k points)

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How does the photochemical nature of photosensitive materials used in photography affect the quality and longevity of the captured images?

asked Feb 22 in PhotoChemistry by ForrestPilpe (1.8k points)

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What are the optimal laboratory conditions (temperature, pressure, solvent, reaction time) for the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer to obtain the highest yield?

asked Feb 21 in Chemical synthesis by BlancaVennin (1.5k points)

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What is the most suitable polymer electrolyte material for use in a lithium-ion battery and why?

asked Feb 21 in Polymer Chemistry by NorineFelici (1.8k points)

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What is the most efficient method for the production of 1,4-dioxane using a continuous flow reactor design, and how can the process be optimized to minimize waste and reduce production costs?

asked Feb 21 in Chemical engineering by NicholasTwm2 (2.0k points)

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What is the optimized condition for synthesizing polyvinyl alcohol from vinyl acetate monomer?

asked Feb 22 in Chemical synthesis by YOKIva496594 (2.6k points)

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1 answer 82 views

How do the photochemical properties of coordination compounds differ from those of organic compounds, and what impact do the coordination number and geometry have on their photochemical behavior?

asked Feb 22 in PhotoChemistry by AlanCoover5 (1.5k points)

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What is the optimum temperature and pressure required for the synthesis of polyethylene from ethylene monomer using Ziegler-Natta catalysis?

asked Feb 22 in Chemical synthesis by EmileR968610 (2.0k points)

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What is the most efficient method for synthesizing quantum dots with a narrow size distribution and high quantum yield using environmentally friendly solvents and non-toxic precursors?

asked Feb 21 in Materials Chemistry by LovieCastles (2.3k points)

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What is the most probable distribution of energy among particles in a gas that has a constant temperature and volume? Provide an explanation for your answer using the concepts of statistical mechanics and thermodynamic ensembles.

asked Feb 21 in Physical Chemistry by Fawn72203404 (2.2k points)

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1 answer 96 views

What is the most effective remediation technology to remove heavy metal contaminants (e.g. lead, chromium or arsenic) from soil and groundwater in a contaminated site, and how can this method be optimized for maximum efficiency and sustainability?

asked Feb 21 in Environmental Chemistry by ArnoldJanous (2.1k points)

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What are the factors that affect the photochemical properties of lanthanide complexes and how do these properties compare to those of other metal complexes?

asked Feb 22 in PhotoChemistry by BlondellHock (1.9k points)

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What is the most efficient method for synthesizing polyethylene terephthalate from terephthalic acid and ethylene glycol while ensuring high yield and purity of the final product?

asked Feb 21 in Chemical synthesis by NicholasTwm2 (2.0k points)

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What is the optimal ratio of pigments, binders, and solvents that should be used in a paint formulation to achieve the desired color, texture, and drying time characteristics?

asked Feb 21 in Chemical engineering by DerrickKong0 (1.7k points)

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What is the oxidation product of an aldehyde and a ketone, and how can it be identified using a specific chemical test?

asked Feb 22 in Organic Chemistry by Eusebia94K98 (2.2k points)

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1 answer 93 views

What is the most efficient way of synthesizing graphene oxide-based nanocomposites for use in water purification and how do the physical and chemical characteristics of the resulting material affect its performance?

asked Feb 21 in Materials Chemistry by TomokoSorian (2.2k points)

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1 answer 90 views

What is the optimal ratio of diisocyanate to polyol for the synthesis of polyurethane with optimal mechanical properties?

asked Feb 21 in Chemical synthesis by RoderickKyle (2.4k points)

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What are the most effective metal catalysts for the selective oxidation of alkanes and how do the surface properties of the metal affect the catalytic activity and selectivity in the reaction?

asked Feb 21 in Surface Chemistry by MeaganAddis6 (1.8k points)

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What is the overpotential required to generate a current of 0.5 A in a galvanic cell where the standard potential is 1.4 V and the actual potential is 1.6 V? Show the calculations and explain why the overpotential is necessary for the reaction to proceed.

asked Feb 22 in ElectroChemistry by EvieOconnor (2.3k points)

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